 | | Report (issue) | | Geology of the Empire Quadrangle Grand, Gilpin, and Clear Creek Counties ColOrado. By WILLIAM A. BRADDOCK...diorite of St. Marys Lake__________________ Bo.ulder Creek Granite__________________________ Quartz diorite...PLATE FIGVRE 1. Geologic map and sections of the Empire quadrangle _________________________________________________...Tertiary igneous rocks in the Empire quadrangle, Grand, Gilpin, and Clear Creek Counties, Colo __ In pocket...1. 2. 3. 4. Index map showing location of the Empire quadrangle and the areas covered by other published |  | | Report (issue) | | INTRUSIVE ROCKS OF COLORADO By Edward J. Young Prepared in cooperation with The Colorado Mining Industrial Development...Development Board and the Colorado Geological Survey This report is preliminary and has not been edited...intrusive rocks of Colorado » » » *«» In pocket Laramide-Tertiary intrusive rocks of Colorado By Edward...intrusive rocks in the State of Colorado, geologic age localities, mining districts, localities of chemically...This information is shown on the State map of Colorado (scale 1:500,000) accompanying this report. In |
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